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DC power for CPAP
#11
(06-23-2014, 05:42 PM)DennyCraneEsq Wrote: I hope that this is not off-topic for this chain, but I am considering the HDM Z1, and wonder: What is the operating voltage of the unit? (Or, what is the voltage of the optional battery?). It seems that one could buy something like the Allpowers 23000mAh solar device sold on line, and power the Z1 for a lot less money than their $400 battery. (It occurs to me that 23000 mAH may be at 5V, in which case if operating voltage is say 15V, I only get 7.66 hours to discharge).

Thanks.
Hi DennyCraneEsq,
WELCOME! to the forum.!
There is a thread here on this board regarding the HDMZ1 that might be of some assistance.
Best of luck to you.
trish6hundred
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#12
(06-23-2014, 09:08 PM)trish6hundred Wrote:
(06-23-2014, 05:42 PM)DennyCraneEsq Wrote: I hope that this is not off-topic for this chain, but I am considering the HDM Z1, and wonder: What is the operating voltage of the unit? (Or, what is the voltage of the optional battery?). It seems that one could buy something like the Allpowers 23000mAh solar device sold on line, and power the Z1 for a lot less money than their $400 battery. (It occurs to me that 23000 mAH may be at 5V, in which case if operating voltage is say 15V, I only get 7.66 hours to discharge).

Thanks.
Hi DennyCraneEsq,
WELCOME! to the forum.!
There is a thread here on this board regarding the HDMZ1 that might be of some assistance.
Best of luck to you.

Thank you, Trish. I have found some information, specifically that the battery provides 45Wh at 14.4 Volts. Although the HDM site contains many warnings about using another power supply, I suspect that if one matches polarity on the plug, many backup devices would work.
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#13
(06-23-2014, 05:42 PM)DennyCraneEsq Wrote: I hope that this is not off-topic for this chain, but I am considering the HDM Z1, and wonder: What is the operating voltage of the unit? (Or, what is the voltage of the optional battery?). It seems that one could buy something like the Allpowers 23000mAh solar device sold on line, and power the Z1 for a lot less money than their $400 battery. (It occurs to me that 23000 mAH may be at 5V, in which case if operating voltage is say 15V, I only get 7.66 hours to discharge).

The devices maximum output is 12V @ 3A, which is maybe, possibly, almost enough to run your CPAP machine without the humidifier if the pressure isn't set too high.

However the battery capacity is only 83 W/Hours, which means you had better sleep fast, because you only have a couple of hours, even if the power supply is 100% efficient, which it isn't.

I've had very good luck with this: http://www.apneaboard.com/wiki/index.php...tery_power

It will run my CPAP (and a small fan!) all weekend. The down-side is that your horse is not likley to be happy carrying a 105Ah deep- cycle battery.

Whatever you decide to buy, make sure it's returnable, since battery technology just isn't available yet, to handle 60 watts, all night in a small light package. Anybody that says they can do it is either wrong, of has some amazing new technology.

Terry

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#14
(06-23-2014, 05:55 PM)diamaunt Wrote: [quote='JWR' pid='72485' dateline='1402798634']
Use mine that way when I ride in on horseback

well, I was thinking how do you sleep on a horse (in motion).Laugh-a-lot

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#15

Use mine that way when I ride in on horseback


well, I was thinking how do you sleep on a horse (in motion).Laugh-a-lot


Oh that's the easy part ! The hard part is getting the horse to stand still while you plug er in Dielaughing I'm so busy I haven't figured out if I found my rope or I lost my horse Oh-jeez

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#16
(06-24-2014, 06:54 PM)JWR Wrote: =
Oh that's the easy part ! The hard part is getting the horse to stand still while you plug er in Dielaughing I

you've got a plug in horse? what is it, one of them newfangled hybrids? Too-funny
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#17
Horses naturally produce methane gas that comes from a rear connector. All you need to do is plug in a portable methane electrical generator to the rear connector and you can use the gas to generate power for your CPAP. Thought everyone knew that. Dont-know
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.



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#18
And just when I thought I'd seen every version possible of a horse's arse. Dielaughing
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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